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Finding the Fourth Proportional to 526,812.52, 727,003.11 and 285,095.02

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Solution

The fourth proportional to 526,812.52, 727,003.11 and 285,095.02 is: 393,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,812.52 : 727,003.11 = 285,095.02 : x
  2. Step 2: Convert to fraction form
    526,812.52/727,003.11 = 285,095.02/x
  3. Step 3: Cross multiply
    526,812.52x = 727,003.11 × 285,095.02
  4. Step 4: Simplify right side
    526,812.52x = 207,264,966,185.51
  5. Step 5: Solve for x
    x = 207,264,966,185.51/526,812.52
  6. Step 6: Final answer
    x = 393,432.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.